Nutrition in Plants — Science STD 7 — Question

Which of the following is an example of mode of transport making use of air pressure?

A base is added slowly to an acid. The reaction will be?

Choose the statement which is not correct in the case of an electric fuse.

A device used to measure the temperature is:

During heavy exercise, we get cramps in the legs due to the accumulation of:

A man digging the ground near a water body found that the soil was moist. As he kept digging deeper and deeper he reached a level, where all the spaces between particles of soil and gaps between rocks where filled with water. The upper limit of this layer is called:

Which one is filled in the bulb of a thermometer?

The part of the plant responsible for exchanging gases is:

Which of the following precautions need not be taken while using electric gadgets/appliances/circuit?